Output Registers/Buffers: Output Current Up to 24 mA

Component Specifications

Definition

Output registers/buffers in CMOS counter circuits are sequential logic elements that latch and temporarily hold the counter's output states, providing signal conditioning such as voltage level shifting, current amplification, and noise isolation. They ensure stable, synchronized data transfer to downstream components like displays, processors, or other digital systems, preventing metastability and timing violations.

Working Principle

Operates by using D-type flip-flops or latches to capture and hold the counter's output bits on clock edges. Buffering is achieved through CMOS inverter chains or tri-state buffers that amplify current, reduce output impedance, and provide isolation. The register maintains data integrity during propagation delays, while buffers drive capacitive loads without signal degradation.

Materials

Silicon substrate with CMOS technology (p-type and n-type MOSFETs), aluminum or copper interconnects, silicon dioxide insulation, and plastic or ceramic packaging (e.g., DIP, SOIC).

Technical Parameters

Parameter	Typical range	Notes & selection driver
Package Type	SOIC-16, TSSOP-20
Voltage Range	3V to 5.5V (typical CMOS levels)
Output Current	Up to 24 mA
Clock Frequency	Up to 100 MHz
Propagation Delay	5-20 ns
Operating Temperature	-40°C to 85°C

Ranges are indicative industry figures for RFQ preparation, not a supplier commitment. Confirm every value and standard with the legal manufacturer before ordering.

Standards

ISO 9001, IEC 60747, JEDEC JESD78

Parent Products

This component is used in the following industrial products

CMOS Counter Circuit

A CMOS counter circuit is a digital integrated circuit that counts clock pulses and tracks time intervals, commonly used in real-time clock systems.

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Engineering Analysis

Risks & Mitigation

Signal integrity loss due to excessive load capacitance
Timing violations from clock skew
Latch-up in CMOS under voltage spikes
Electrostatic discharge (ESD) damage

FMEA Triads

Trigger: Excessive capacitive load on output
Failure: Increased propagation delay and signal distortion
Mitigation: Use buffer with higher drive strength; add series resistors

Trigger: Clock signal jitter or skew
Failure: Data corruption in register due to setup/hold time violations
Mitigation: Implement clock tree synthesis; use low-skew clock distribution

Trigger: ESD event during handling
Failure: Permanent damage to CMOS transistors
Mitigation: Follow ESD-safe protocols; integrate on-chip ESD protection

Industrial Ecosystem

Compatible With

Typical Suppliers & Equivalents

Compliance & Inspection

Tolerance

±10% on propagation delay under specified conditions

Test Method

JEDEC JESD22-A114 for ESD; functional testing with logic analyzers and oscilloscopes

Procurement Evaluation Criteria

A practical evidence checklist for RFQ preparation and supplier evaluation.

Technical documentation

Request current drawings, revision history, and a signed specification sheet.

Manufacturing capability

Verify equipment lists, process limits, capacity, and representative production evidence.

Inspection readiness

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Supplier transparency

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Manufacturers of Output Registers/Buffers

Manufacturer profiles associated with Output Registers/Buffers.

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Compiled and source-reviewed by the CNFX editorial team. Each manufacturer above links to the page on that company's own website where the product is listed, with the date we checked it. How we source and review

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Frequently Asked Questions

What is the difference between a register and a buffer in this context?

A register stores and synchronizes data bits using flip-flops, while a buffer amplifies and isolates signals to drive loads without storing data.

Why are output registers important in CMOS counters?

They prevent glitches and ensure stable output by latching data at specific clock edges, crucial for timing-sensitive applications.

Can these components be used in high-frequency applications?

Yes, with propagation delays under 20 ns and clock frequencies up to 100 MHz, they suit moderate to high-speed digital systems.

Data Basis

Editorial classification, named public sources where available, and source-reviewed manufacturer records. See the editorial policy.

Preliminary Technical Classification

This page supports structured research, RFQ preparation, and supplier evaluation. It does not replace buyer-led supplier qualification, standards review, or technical approval.

Output Registers/Buffers